Stainless steel welding neck flange

The biggest difference in structure between slide-in flanges and welded neck flanges is that they are connected to the flange in a different way. The connection method of the neck and the flat welded flange is generally to connect with the flange corner, and the flange to the flange The flange connection flange takes over the butt.

The ASME B16.5 standard includes pressure, rated temperature, materials, dimensions, tolerances, marking, testing and identification of pipe flanges and flanges. Including: 1/2 "-24" "pressure rating, Class150, Class300, Class400, Class600, Class900, Class1500 (CL1500), Class2500 pounds, English diameter of bolts and flange bolt holes.

Flange：WN、SO、BL(Blind Flange)、SW、THREADED FLANGES、FLAT FLANGE. （304L、316L）
The technical parameters of the flange : EN1092-1 PN6、EN1092-1 PN10、EN1092-1 PN16、EN1092-1 PN25、EN1092-1 PN40、EN1092-1 PN100.
The material of the flange：CARBON STEEL(carbon steel)、STAINLESS STEEL(Stainless Steel)、ALLOY STEEL(Alloy Steel. SEAMLESS STEEL OR BULT WELD Steel Flange
The wall thickness of the flange：Sch10、Sch20、Sch30、Sch40、SCH60、Sch80、Sch10、Sch100、Sch120、Sch160、Schxxs、SchSTD、Schxs
Size: 1/2inch(DN15)、3/4inch(DN20)、1inch(1''DN25)、2inch(DN50)、3inch(DN80)、4inch(DN100)、5inch(DN125)、6inch(DN150)、8inch(DN200) 10inch(DN250)、12inch(DN300)、14inch(DN350)、....
DIN STEEL FALNGE: 10BAR(DIN2576、DIN2527、DIN2632)
16BAR(DIN2543、DIN2527、DIN2633)
25BAR(DIN2544、DIN2527、DIN2634)
40BAR(DIN2545、DIN2527、DIN2635)
Flange sealing surface is divided into RF Flange、FF Flange 、RJ Flange、RTJ Flange

The General ASTM Material For Forging Flanges:ASTM A105、ASTM A182 F316L

The General ASTM Material For AMERICAN PRESSURE Fittings:ASTM A234WPB、ASTM A403 WP316L

We are a manufacture of steel Pipe Fittings , we can produce kinds of Elbow Pipe Fitting, Pipe Fitting Eccentric Reducer, Pipe Cap, Steel Reducing Tee , Carbon Steel Flange and so on .Steel Flange is including Blind Flange, Welding Neck Flange , Slip-On Flange , Long Weld Neck Flange, Weld Flange and so on 

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ASTM A182F304 ASME B16.5 Blind Flange generally only connected with the pipe, but can not be directly connected with the Pipe Fittings; Butt welding flange can be generally all welded pipe fittings (including elbow, tee, reducer, etc.) directly connected, of course, including pipeline.

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